Re: [Xen-devel] [PATCH 1/3] arm64: add grub_xen_boot env to indicate that we have xen_* commands

[Andrei Borzenkov <arvidjaar@xxxxxxxxx>]

24.02.2016 21:01, fu.wei@xxxxxxxxxx пишет:
> From: Fu Wei <fu.wei@xxxxxxxxxx>
> 
> Signed-off-by: Fu Wei <fu.wei@xxxxxxxxxx>
> ---
>  grub-core/loader/arm64/xen_boot.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/grub-core/loader/arm64/xen_boot.c 
> b/grub-core/loader/arm64/xen_boot.c
> index 8ae43d7..ef03111 100644
> --- a/grub-core/loader/arm64/xen_boot.c
> +++ b/grub-core/loader/arm64/xen_boot.c
> @@ -20,6 +20,7 @@
>  #include <grub/charset.h>
>  #include <grub/command.h>
>  #include <grub/err.h>
> +#include <grub/env.h>
>  #include <grub/file.h>
>  #include <grub/fdt.h>
>  #include <grub/list.h>
> @@ -490,10 +491,17 @@ GRUB_MOD_INIT (xen_boot)
>      grub_register_command ("xen_module", grub_cmd_xen_module, 0,
>                          N_("Load a xen module."));
>    my_mod = mod;
> +
> +/* setup a env to indicate that
> + * we have xen_* commands.
> + */
> +  grub_env_set ("grub_xen_boot", "y");
> +  grub_env_export ("grub_xen_boot");
>  }

Please define feature for it, see grub-core/normal/main.c.

>  
>  GRUB_MOD_FINI (xen_boot)
>  {
>    grub_unregister_command (cmd_xen_hypervisor);
>    grub_unregister_command (cmd_xen_module);
> +  grub_env_unset ("grub_xen_boot");
>  }
> 


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